1. Humans and the Microbial World Chapter 1

2. What is a Microorganism? 1.Definition 2.Prokaryotic or Eukaryotic? 3.Unicellular or Multicellular?

3. What is a Microorganism? 1.Prokaryotic Microbes Bacteria Archaea 2.Eukaryotic microbes Fungi, Algae and Protozoa 3.Viruses????

5. Microbes and diseases Infectious diseases of humans, animals and plants. Food Spoilage Can -> food poisoning

6. Microbes and Human diseases Pathogenicity of a microbe Vs. Resistance of the host Etiological agent

7. Microbes and Human diseases 1.Biological warfare: Bacillus anthracis, Clostridium botulinum 2.Bacterial resistance to antibiotics. -very big concern in modern world 3.Emerging Infectious diseases Ability to infect different Host species ex. Avian flu

8. Microbes and Human life 1.Recycling of chemical elements: N 2 fixation 2.Decomposition of organic matter: sewage treatment 3.Bioremediation: Pseudomonas and Bacillus

9. Bioremediation

10. Microbes and Human life 4.Insect pest control: Bacillus thuringensis (insecticide) 5.Food industry: vinegar, wine, beer, cheese, yogurt, bread, pickles

12. Microbes and Human life 6.Genetic Engineering: production of proteins, vaccines, enzymes, growth hormones etc. eg. Insulin 7.Gene therapy: use of viruses to carry replacement for defective gene 8.Genomics

13. How to properly write scientific name of a microorganism Bacillus anthracis Bacillus anthracis: continuous = wrong B. anthracis